Is there a validity / duration for court decree

Hello All, Greeting for the day! I have a small issue and need your opinions. the discussed issue is from bangalore, Karnataka. in 2006, the court issued decree (settlement) that X guntas (of total X acres) of agricultural land should be given to me along with my brothers and sisters by the purchaser, as the property purchased was without consent of grand childrens. since it was decided in court, we misunderstood that the property rights will remain with us. Recently, when verified it was found that x gunats which was alloted to us, the RTC is still reflecting under the old purchaser name. (but there was a partition and survey sketch done and the X guntas which should be allotted to us is separated as per revenue records) we personally visited and requested the purchaser recently to transfer the rights in our names, but the purchaser is denying now stating he will not be doing that and he will sell the allotted property. Do we still hold rights considering the decree passed by court in 2006 and is there any chances to submit an application to get the title transferred in our names directly through court? please suggest.